Finding the Fourth Proportional to 156,657,188.70, 234,985,739.04 and 48,951,812.70
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Solution
The fourth proportional to 156,657,188.70, 234,985,739.04 and 48,951,812.70 is: 73,427,705.30
Step by Step Solution
- Step 1: Write the proportion equation
156,657,188.70 : 234,985,739.04 = 48,951,812.70 : x - Step 2: Convert to fraction form
156,657,188.70/234,985,739.04 = 48,951,812.70/x - Step 3: Cross multiply
156,657,188.70x = 234,985,739.04 × 48,951,812.70 - Step 4: Simplify right side
156,657,188.70x = 11,502,977,884,657,158 - Step 5: Solve for x
x = 11,502,977,884,657,158/156,657,188.70 - Step 6: Final answer
x = 73,427,705.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.